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Oil & Gas
| Wed 06 May 2026
Alexandria, May 6 -- Meiden Nanoprocess Innovations Inc has submitted a patent application for Ozone Gas Supply System. Nishiguchi Tetsuya, Morikawa Yoshiki, Yamashita Hiroaki, Matsumoto Naoshi and Fukatsu Ayaka developed the invention.
The patent application number is US202419159770 20240216. The patent publication number is..
Oil & Gas
| Wed 06 May 2026
Alexandria, May 6 -- Alkhorayef Petroleum Company has submitted a patent application for Spoolable Splice for Use in Electrical Submersible Pump System. This invention was developed by Sarian Serko, Gohil Kartikkumar Jaysingbhai and Ortiz Santos Daniel.
The patent application number is US202418930299 20241029. The patent publ..
Oil & Gas
| Wed 06 May 2026
Alexandria, May 6 -- Marathon Petroleum Co LP has submitted a patent application for Assemblies and Methods for Enhancing Fluid Catalytic Cracking (FCC) Processes During the Fcc Process Using Spectroscopic Analyzers. Sexton Jeffrey A, Bledsoe Jr Roy Roger, Campbell Lance T, Ridge Randy N and Wilt Brian K developed the invention...
Oil & Gas
| Wed 06 May 2026
Alexandria, May 6 -- Tara Energy Services Inc has submitted a patent application for Process for the Reduction of Flaring/venting Gases During Completions Operations. This invention was developed by Bissell Scott, Mcneill Randal and Garagan Braydon.
The patent application number is US202519431663 20251223. The patent publicat..
Oil & Gas
| Wed 06 May 2026
Alexandria, May 6 -- Inpro/seal LLC has submitted a patent application for Intuitive Natural Gas Compressor Monitoring System. This invention was developed by Guglielmo Kennon, Baldwin Terry, Souder Jason, Roth Ron and Suresh Saurabh.
The patent application number is US202519432326 20251224. The patent publication number is U..
Oil & Gas
| Tue 05 May 2026
Alexandria, May 6 -- U.S. Patent and Trademark Office has published AGC Inc and National University Corporation Tokai National Higher Education and Research System patent application for Acidic Gas-absorbing Liquid and Acidic Gas Reduction Method. The invention was developed by Ikawa Seiya, Suzuki Toyokazu, Koguchi Ryohei, Machi..
Oil & Gas
| Wed 06 May 2026
Alexandria, May 6 -- U.S. Patent and Trademark Office has released Qteq IQ Pty Ltd patent application for Systems, Methods and Apparatus for Downhole Monitoring of Production Conditions Using Em Telemetry. This invention was developed by Morgan Quentin and Siefert Michael.
The patent application number is US202219116210 20220..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- China National Petroleum and Cnpc Xibu Drilling Eng Co Ltd have submitted a patent application for Deep Carbonatite Stratum Drillability Evaluation Method Based on Element Logging Technology. Zhang Xiaohu, Li Xiubin, Li Li, Li Huaijun, Li Xuerui, Liu Huihui and Tang Guoqing developed the invention.
The paten..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- China Electric Institute and General Machinery Key Core Found Innovation Center Anhui Co Ltd have submitted a patent application for Salt Mist Concentration Monitoring Method and System Based on Gas Production Method. This invention was developed by Chen Chuan, Xiang Li, Qin Hao, Shi Xiaoyi, Wang Shouhe and Zha..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- China National Petroleum, Cnpc Engineering Mat R & D Company Limited and Xi'an Tri Ring Oil Pipe Tech Co Ltd have submitted a patent application for MEMS Gas Sensor and Preparation Method Thereof. This invention was developed by Zhao Yuxin.
The patent application number is CN202410852964 20240627. The patent..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- China National Petroleum and Cnpc Engineering Tech R & D Co Ltd have submitted a patent application for Well Wall Heat Insulation Hollow Microsphere and Preparation Method Thereof. This invention was developed by Wang Jianlong, Wang Ren, Wang Qibing, Ren Han, Liu Jianwei, Li Meichun, Li Yingying, Liao Bo and Di..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- China National Petroleum and CNPC Engineering Tech R & D Co Ltd have submitted a patent application for Cellulase Substrate Grafted Chitosan Type Self-degradable Blocking Agent as Well as Preparation Method and Application Thereof. This invention was developed by Wang Jianlong, Wang Ren, Liu Luman, Li Yingying,..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Xi'an Petroleum Great Petroleum Tech Co Ltd has submitted a patent application for Degradable Environment-friendly Viscosity-reducing Oil-displacing Agent for Cold Production of Thickened Oil and Preparation Method Thereof. This invention was developed by Zhang Shu, Deng Qingchun, Zhang Xiangchun, Xing Yanbin a..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- East China University of Science and Technology, Shandong Jinlu Environmental Protection Tech Co Ltd and Shanghai Jiulong Petrochemical Tech Co Ltd have submitted a patent application for Crude Oil Deep Desalination Analysis Control Method Based on Input Energy. Zhou Xiaolong, Chen Liangkun, Chen Hongxing and Z..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Yunnan Yunxiang Lvbao Biotechnology Co Ltd has submitted a patent application for First-order Fractionating Tower for Eucalyptus Leaf Crude Oil. Zheng Xiaoming, Wang Chunhua, Peng Yongjian, Li Wentao, Kong Dehua and Lu Qichao developed the invention.
The patent application number is CN202511761632 20251127. ..
Oil & Gas
| Tue 05 May 2026
Alexandria, May 6 -- U.S. Patent and Trademark Office has received Cortez Ana patent application for Apparatus for Automatic Oil Dispenser and Method of Operation.
The patent application number is US202519372106 20251028. The patent publication number is US20260114677 (A1). International Patent Classification code is A47K5/..
Oil & Gas
| Wed 06 May 2026
Alexandria, May 6 -- U.S. Patent and Trademark Office has received Makhania Minaz Ramjanali, Pillai Rahul Radhakrishna, Ranjan Rajeev, Sarkar Shouvik, Tallman Michael J and Kellogg Brown & Root patent application for Dividing Wall Column for Efficient Hydrocarbon Separation.
The patent application number is US202519366794 20..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- China Petroleum Pipeline Engineering Corp, China National Petroleum and China Petroleum Pipeline Engineering Co Ltd have submitted a patent application for Automatic Underground Water-sealed Cave Depot Water Curtain Test System. This invention was developed by Zhong Wei, Li Wei, Xu Xingbei, Cui Shaodong, Chen X..
Oil & Gas
| Wed 06 May 2026
Alexandria, May 6 -- U.S. Patent and Trademark Office has received Ind Scient Corp patent application for System and Method of Instrument Cooperation with Cellular Connectivity. Pavlisko Bryan James, Kettler Jason Christopher, Shih Joseph and Sirbu Adrian developed the invention.
The patent application number is US20251940205..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- The Northwest Res Institute Of Chemical Industry Co Ltd and Shaanxi Yanchang Petroleum Group have filed a patent application for System and Method for Preparing Road Asphalt Based on Coal-based Residues. This invention was developed by Wu Shengxiao, Huo Pengju, Huang Yong, Lu Yangyang, Yang Dou, Zhang Xiaoqian,..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Cnpc National Oil Gas Drilling Equipment Engineering Tech Research Center Co Ltd, Baoji Oilfield Machinery and China National Petroleum have filed a patent application for Pin-shaft-free Self-locking Paving Table and Mounting and Arranging Method Thereof. This invention was developed by Liang Zijian, Hou Min, ..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has released China National Petroleum and CNPC Xibu Drilling Eng Co Ltd patent application for Horizontal Well Fracturing Crack Width Monitoring Method. This invention was developed by Song Zhitong, Feng Meng, Dong Jingfeng, Meng Xin, Wang Lixin, Liu Yi, Tian Gang, Te..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has released China National Petroleum and CNPC Xibu Drilling Eng Co Ltd patent application for Vertical Well Inclination Survey Equipment and Using Method Thereof. This invention was developed by Cheng Panfei, Zhang Guiyi, Zhang Shengpeng, Zhang Lei, Chen Gang, Xie Ti..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Hubei Changlu Shuzhi Data Co Ltd has filed a patent application for Old Oil Field Missing Hydrocarbon Reservoir Identification Method and System Based on Rock Debris and Optical Fiber Monitoring. This invention was developed by Ning Yi and Chen Gongyang.
The patent application number is CN202511223520 202508..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Sanya Ocean Oil and Gas Research Institute Northeast Petroleum Univ has filed a patent application for Method and Device for Determining Flow Characteristic of Carbon Dioxide in Porous Medium and Distribution Rule of Methane in Pore Space. This invention was developed by Liu Shezhan, Zhang Yi, Song Yongchen, Zh..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Xianyang Bomco Steel Tube & Wire Rope Co Ltd, China National Petroleum and Baoji Oilfield Machinery have submitted a patent application for High-strength High-torsion-resistance Multi-strand Steel Wire Rope. This invention was developed by Wu Peijun, Han Fei, Qin Wanxin, Shen Zhijun, Bai Min, Liu Guorui, Xu Enr..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- China University of Geosciences, Wuhan, Jiangsu Hexin Petroleum Machinery Co Ltd and Beijing China Coal Mine Engineering have submitted a patent application for Mining Intelligent Drill Rod Self-replacing Type Drilling Machine Device. This invention was developed by Zhao Junxian, Han Bo and Yao Xiangyu.
The ..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- China National Petroleum, Gem Pipe Co Ltd Of China Nat Petroleum Corporation and Cnpc National Petroleum Tubular Goods Engineering Tech Research Center Co Ltd have submitted a patent application for Floating Coupling and Constant-pressure Crushing Method Thereof. Han Zhizhong, Tang Jiarui, Li Xuyang, Gao Mengzh..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- China National Petroleum and Cnpc Xibu Drilling Eng Co Ltd have submitted a patent application for Large Belly Borehole Rotary Centralizer and Well Washing Device. Wang Zhiguo, Yang Jixiang, Lin Jianzeng, Guo Lei, Xie Wen, Wu Yang, Ren Chunyu, Zhou Yuchao, Wu Yujie and Li Bo developed the invention.
The pate..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Liaohe Petroleum Explor Bureau Co Ltd and China National Petroleum have submitted a patent application for Restricted Well Site Workover Operation Technology. This invention was developed by Zhang Piaoshi, Li Shicheng, Wei Houchao, Zhang Xu, Zhao Hui, Jiang Tao, Tong Youxin, Huang Haizhong, Li Xinhai, Zhang Bin..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Liaohe Petroleum Explor Bureau Co Ltd and China National Petroleum have submitted a patent application for Oil Field Cement Squeezing Pipe Column Sealing Device with Functions of Lifting Pipe Column Under Pressure, Maintaining Pressure and Waiting for Cement Setting and Cement Setting Waiting Process. Huang Wuc..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- China National Petroleum and Cnpc Xibu Drilling Eng Co Ltd have submitted a patent application for Horizontal Well Fracturing Cluster Spacing Optimization Method. Ding Xinlu, Li Yi, Zhang Jing, Feng Meng, Dong Yan, Wang Bo, Jiang Tao, Wang Zhi, Cao Jingzhou and Zhang Pengju developed the invention.
The paten..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Daqing Petroleum Man Bureau Co Ltd and China National Petroleum have submitted a patent application for Pearson Correlation Coefficient-based Tower Motor-pumped Well Monitoring Analysis Method. This invention was developed by Guo Mingri, Wang Jingping, Chen Zhao, Zhao Jiliang, Lou Zhidong, Wang Zengfan, Liu Pei..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Shaanxi Baoguang Lianyue Hydrogen Energy Dev Co Ltd has submitted a patent application for Movable Storage Device for Hydrogen Storage. This invention was developed by Qin Jianqun, Ma Xiaohui, Wang Baogang, Song Ping and Li Qian.
The patent application number is CN202511652912 20251112. The patent publicatio..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Shaanxi Tonghui Petroleum Chemical Sales Co Ltd has submitted a patent application for Liquefied Natural Gas Gasifier. This invention was developed by Guo Jianjun and Huang Fanfan.
The patent application number is CN202511518634 20251023. The patent publication number is CN121229805 (A). International Patent..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Hubei Hongyi Intelligent Equipment Co Ltd has submitted a patent application for Low-temperature LNG Loading and Unloading Arm. This invention was developed by Xiong Qiang, Li Li, Cheng Ping and Zhou Wei.
The patent application number is CN202511456657 20251013. The patent publication number is CN121229814 (..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Yunfu Power Supply Bureau Guangdong Power Grid Co Ltd has submitted a patent application for Connecting Assembly of Hydrogen Supply System. This invention was developed by Wang Qingbin, Liu Zhigang, Wang Yuxi, Huang Hui, Huang Hong, Huang Zudi, Huang Rongqin and Chen Wen.
The patent application number is CN2..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Beijing Huayi Qingyuan Tech Co Ltd has submitted a patent application for Core-shell Structure Catalyst Preparation Device for Preparing Methanol Through Carbon Dioxide Hydrogenation. Wang Haiguang, Zhang Yanhua, Li Li and Yang Jie developed the invention.
The patent application number is CN202511514044 2025..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- China National Petroleum and Cnpc Xibu Drilling Eng Co Ltd have submitted a patent application for Indoor Test Platform and Test Method for Vertical Well Inclinometer. Cheng Panfei, Li Fuqiang, Chen Gang, Zhang Shengpeng, Li Zhenbao, Wang Di and Chen Kunlin developed the invention.
The patent application num..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Beijing Xipu Huosi Tech Co Ltd has submitted a patent application for Oil and Gas Equipment Leakage Acoustic Characteristic Intelligent Identification Early Warning Method and System. Liao Lin, Xu Mengyang and Wang Xin developed the invention.
The patent application number is CN202511235910 20250901. The pat..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has published Xi'an Surface Material Prot Co Ltd patent application for Method for Promoting Gas-liquid Two-phase Micro-arc Oxidation Reaction. The invention was developed by Chen Liman, Gao Guangrui, Zhao Ling, Hu Dan, Zhang Kaikai, Zhang Shuai and Han Dong.
The p..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has published CNPC Bohai Drilling Engineering and China National Petroleum patent application for Distance Measurement While Drilling Method and Device for Upper and Lower Parallel Wells. The invention was developed by Zhou Honglin, Tang Xiaoming, Jiang Qihong, Cheng ..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has published Hubei Sailiente Petroleum Tech Co Ltd patent application for Highly-integrated Electro-hydraulic Valve Control Device. The invention was developed by Zhang Qinghong, Zeng Huadong, Liu Xuzheng, Lee Mi-gu and Zeng Yun.
The patent application number is C..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has released China National Petroleum and China Petroleum Logging Co Ltd patent application for Underground Hydraulic Balance Type Thrust Bearing. This invention was developed by Cheng Zhangang, Yang Xinhong, Luo Shixiang, Ping Pengbo, Su Zhijian, Shen Qiangang, Yang ..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has released Shandong Yonglijinggong Petroleum Equipment Co Ltd patent application for Double-sealing Special Buckle. This invention was developed by Li Houxin, Qiao Liyong, Ding Chengli, Zhang Huwei and Tang Jiyu.
The patent application number is CN202511479794 20..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has released Jiangxi Natural Gas Group Co Ltd patent application for Bog Recycling Device for LNG Storage Station. This invention was developed by Liu Weiwei, Wei Lan, Li Chao and Ma Qianqian.
The patent application number is CN202511405784 20250929. The patent pub..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has published National Petroleum Pipeline Network Group and State Petroleum Pipeline Network Group of Science and Technology Research Institute Branch patent application for Carbon Dioxide Treatment System and Method. The invention was developed by Yang Xiliang, Zhang..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has received The Seventh Construction Company of CNPC, China Petroleum Eng & Constr Corp and China National Petroleum patent application for Cable-rope-free Steel Structure Module Mounting System and Use Method Thereof. Pang Xuelong and Zheng Chun developed the invent..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- China University of Geosciences, Wuhan, Jiangsu Hexin Petroleum Machinery Co Ltd and Beijing China Coal Mine Engineering have applied Chinese patent for Mining Energy-saving Type Vertical Drilling Equipment. Zhao Junxian, Han Bo and Yao Xiangyu developed it.
The patent application number is CN202511582959 2..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Southwest Petroleum University, Nantong Xieming Tech Co Ltd and Sichuan Xieming Tech Co Ltd have applied Chinese patent for Hydraulic Magnetic Coupling Reaction Torque Balancing Tool. Tian Jialin, Luo Yuxin, Dong Guangjian, Yang Lin, Lei Xin, Zeng Yongchao, Li Weixi and Liu Junhong developed it.
The patent a..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has received Southwest Petroleum University; Nantong Xieming Tech Co Ltd and Sichuan Xieming Tech Co Ltd patent application for Intelligent Multidirectional Impact Resistance Reduction Tool. Yang Jianbo, Zeng Yongchao, Tian Jialin, Liu Junhong and Luo Yuxin developed ..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has received Cnpc National Oil Gas Drilling Equipment Engineering Tech Research Center Co Ltd, Baoji Oilfield Machinery and China National Petroleum patent application for Rotary Extrusion Steel Wire Tapper. Liu Chao, Wang Weixu, Ren Fengwei, Wang Wentao, Zhang Wei, ..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has received Liaohe Petroleum Explor Bureau Co Ltd and China National Petroleum patent application for Pressurized Plugging, Filling and Injecting Integrated Tool for High-temperature Thermal Production Well and Using Method of Pressurized Plugging, Filling and Inject..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has received China National Petroleum and China Petroleum Logging Co Ltd patent application for Underground Safety Valve, Drilling Tool and Using Method. Wei Haiwang, Zhang Bingjun, Bai Qingjie, Tong Maosong, Xie Yubei, Gao Feng, Chen Quanlin and Jia Wenyao developed ..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Daqing Petroleum Man Bureau Co Ltd and China National Petroleum have applied Chinese patent for Long-stroke Tower Type Pumping Unit. Peng Zhangjian, Wang Jingping, Liu Zhicheng, Wang Liu, Xing Yanfang, Liu Mei, Chen Xingyan, Tan Hua, Ge Lidong and Song Gang developed it.
The patent application number is CN20..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Xi'an Juli Antai Energy Tech Co Ltd has applied Chinese patent for Shaft Crack Control Method and System for Petroleum Perforation Operation. Ding Weiguo, Kou Xuri, Sha Hao, Zhang Zhenhai, Ma Xibin, Li Zhimin, Zhang Longlong, Zhang Jiangtao, Wang Dingding, Zhao Yulong and Yang Yang developed it.
The patent a..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- China National Petroleum and China Petroleum Logging Co Ltd have applied Chinese patent for Coiled Tubing Radioactive Logging Combination Device. Chi Ming, Wang Guiyu, Wang Haipeng, Li Wenjie, Hu Tianran, Dong Jiawei, Wang Longxiang, Lin Xiaocheng, Li Xiaotang, Jiang Tao, Zhao Helong, Hu Guohua and Xu Qingdong ..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- China National Petroleum and CNPC Xibu Drilling Eng Co Ltd have applied Chinese patent for Perforation Cluster Fracturing Fluid Amount Monitoring Method and Device. Song Zhitong, Feng Meng, Wang Qian, Chen Chaofeng, Wang Bo, Chen Beibei, Liu Yu, Zhang Wenquan, Wang Junmin and Li Jin developed it.
The patent ..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- China National Petroleum and China Petroleum Logging Co Ltd have applied Chinese patent for Analog Evaluation Method for Underground Fracture-cavity Development Degree of Irregular Polygon Similarity Rate. Wang Yongjun, Qi Xiaoji, Lai Qiang, Wang Zeyu, Chen Bangding, Yi Hongmei, Meng Huiqun, Yin Rong, Li Can, Z..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Jiangxi Yuanwei New Energy Co Ltd has applied Chinese patent for Cryogenic Air Separation Device and Method for Separating and Purifying Special Gas. Zhu Tiantian, Zhu Xiao and Zhu Yuting developed it.
The patent application number is CN202511719424 20251121. The patent publication number is CN121230368 (A)...
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Karamay Fucheng Oil And Gas Sales Co Ltd has applied Chinese patent for Anti-freezing Efficient Air Temperature Heat Exchanger for Cooling Circulating Water. Wu Wenzhao, Cao Zhi, Fan Ping, Huang Bo, Liang Jian, Huo Huijie, Song Yiyou, Tian Kai and Ma Xu developed it.
The patent application number is CN202511..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Shandong Deshi Petroleum Equipment Co Ltd has sought patent for Steam-nitrogen Composite Flooding Aid for Heavy Oil Reservoir and Flooding Method. This invention was developed by Cui Shizhang, Song Xinwang, Xiao Shuming, Zeng Gang, Wei Xiucheng, Wang Haiquan and Li Zhipeng.
The patent application number is C..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Cnpc National Oil Gas Drilling Equipment Engineering Tech Research Center Co Ltd, Baoji Oilfield Machinery and China National Petroleum have sought patent for Single Marine Riser Without Welding Seam and Main Bearing Threaded Connection. This invention was developed by Luo Qiang, Yang Hu, Zheng Wanli, Zhang Kun..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- China National Petroleum and China Petroleum Logging Co Ltd have sought patent for Carbonate Rock Natural Gas Reservoir Discrimination Method. This invention was developed by Mao Yingxiong, Qi Baoquan, Zhang Shudong, Zheng Xiaomin, Luo Li, Zhao Na, Yang Daxiang, Wu Yuying, Su Huan and Zhang Ting.
The patent ..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has received Jiangsu Jinyuan Pressure Vessel Co Ltd patent application for Pressure Container for Carbon Dioxide. Lu Peng, Diao Yuying and Diao Jin developed the invention.
The patent application number is CN202511729158 20251124. The patent publication number is C..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has received Daqing Oilfield and PetroChina patent application for Self-adaptive Multi-scale Pumping Unit Supply and Production Balance Closed-loop Control Method and Device. Sun Yan'an, Dai Mei, Qian Kun, Hui Xiaolong, Lu Chengguo, Gao Yu, Bi Dalong, Song Yang, Zheng..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has released Daqing Oilfield and PetroChina patent application for Hydraulic Control Type Oil Sleeve Pressure Communication and Oil Pipe Blowout Prevention Tool and Control System Thereof. This invention was developed by Xu Xiaoyu, Zhang Yang, Tong Yin, Zhang Hongyan,..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Sinopec Beijing Chemical Research Institute Co Ltd patent application for Composite Nucleating Agent, Polylactic Acid Composition, Preparation Method of Polylactic Acid Composition, Polylactic Acid Granules, Application of ..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Beijing Chemical Research Institute Co Ltd patent application for Composite Flexibilizer, Polylactic Acid Composition, Preparation Method of Polylactic Acid Composition, Polylactic Acid Granules, Application of Polyl..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Inst patent application for Experimental Device and Method for Proppant Embedding Depth Under Action of Carbon Dioxide. This invention was developed by Li Ning, Zhou Tong, Chen Yuxin,..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has published China University of Petroleum, East China and Qingdao Mingyu Huizhi Tech Co Ltd patent application for Lead Screw Nut Driving Structure of Electric Submersible Pump and Vibration Signal Extraction Method. The invention was developed by Wang Zhenbo, Yan X..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Jiangsu Saifute Security Evaluation and Certification Co Ltd has submitted a patent application for Safety Monitoring Automatic Control Pressure Regulating Device for Petroleum and Natural Gas Storage and Transportation Engineering. This invention was developed by Zhang Wurong, Li Zhiwen, Guo Yuguang, Dai Zongz..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- National Dong Hwa University has submitted a patent application for Polyimide Composite Material, Polyimide Gas Separation Membrane, Preparation Method and Application. This invention was developed by Dong Jie, Zhang Qinghua, Zhao Xin, Lee Soo-jung, Xu Qingsong and Zhang Jialin.
The patent application number..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has released Southwest Petroleum University patent application for Composite Material Containing Siloxane Benzoxazine Interface Modified Basalt Fiber and Preparation Method Thereof. This invention was developed by Li Hui, Liu Linze, Wu Yuanpeng, Cheng Jinbo, Zhao Chun..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Jiangsu Ocean University has applied Chinese patent for High-temperature High-salt Shear-resistant Fracturing Fluid for Oil Field and Preparation Method Thereof. Han Shuai, Yan Zhihu and Zhang Peng developed it.
The patent application number is CN202511362895 20250923. The patent publication number is CN1212..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has published Xinjiang University patent application for Segmented Oil and Dust Removal and Cooling Integrated Device. The invention was developed by Gao Xiaoxin, Youlituzi Tuerxun, Ma Rui and Wei Bo.
The patent application number is CN202511790006 20251201. The pa..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Jiangsu Yongcheng Equipment Technology has filed a patent application for Natural Gas Dehydration Device Convenient for Fully Removing Moisture. This invention was developed by Wang Tie, Zhao Siyuan, Li Zhifeng, Zhao Yonglou, Zhao Guangyao, Chuan Xiaomin, Yuan Yongliang, Meng Dahua, Xu Hulin and Mao Lin.
The..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has published Advanced Micro-Fabrication Equipmen patent application for Atomic Layer Deposition Equipment and Deposition Method. The invention was developed by Han Zijia and Jiang Yong.
The patent application number is CN202410843600 20240626. The patent publicati..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Southwest Petroleum University has submitted a patent application for Polyhedral Edge Gap Type Progressive Sealing Temporary Plugging Ball. This invention was developed by Li Yang, Wang Jialong and Wang Jiahao.
The patent application number is CN202511794589 20251202. The patent publication number is CN12122..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Daqing Jinxiangyu Technology has sought patent for Wellhead Flange Monitoring Control Device. This invention was developed by Yu Zaixing, Zhang Nannan, Zhao Yanlei, Shi Lei, Li Changqing, Yu Xin, Wu Di and Bi Xiaoqi.
The patent application number is CN202511635005 20251110. The patent publication number is C..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Xi'an Jiaotong University has applied Chinese patent for Gas Turbine-split Self-condensation Transcritical Carbon Dioxide Combined Cycle System. Du Yang, Chen Shuo, Fu Yu, Lou Juwei, Zhao Pan, Wang Jiangfeng and He Guangyu developed it.
The patent application number is CN202511712088 20251120. The patent pub..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has received Hefei Institutes of Physical Science, Chinese Academy of Sciences patent application for Small Molecule Gas Rapid Extraction System and Method for Rapid Regeneration of Cryopump. Zhuang Huidong, Chen Xinxin, Zhou Yue, Huang Ming, Zuo Guizhong and Hu Jians..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has published Yanshan University patent application for Liquid-gas Supercharging Pressure Loading Control Device. The invention was developed by Chen Lijuan, Chang Jiafei, Sun Ming, Lin Hao, Gao Wei, Li Dongpu, Zou Yu, Li Xiaolong, Tian Huzhen and Takahiro.
The pat..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Landing Gear Advanced Manufacturing has filed a patent application for Oil-gas Separation Type Buffer and Filling Method Thereof. This invention was developed by Zhao Ke, Fan Xiaojuan, Gong Junnan, Zhang Xueyan, Luo Yuanxin, Huang Kejin and Fu Tianshi.
The patent application number is CN202511550080 20251028..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Guangdong Wanhe Thermal Energy Technology has applied Chinese patent for Gas Proportional Valve and Gas Equipment. Zhang Yi developed it.
The patent application number is CN202410848154 20240627. The patent publication number is CN121229641 (A). International Patent Classification codes are F16K1/32, F16K1/3..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Powerchina Zhongnan Engineering has filed a patent application for Gas Storage Temperature Control Device and Heat Exchanger. This invention was developed by Wang Ziyu, Tang Jiguo, Zou Lei, Li Wei, Liu Kangxiang, Yao Hongchi and Liu Hongtao.
The patent application number is CN202511378986 20250925. The paten..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Southeast University has submitted a patent application for Indoor Oxygenation and Carbon Dioxide Reduction Comprehensive Regulation and Control Device and Regulation and Control Method. This invention was developed by Qian Hua, Jiang Mingrui, Huang Weiwei and Zheng Xiaohong.
The patent application number is..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Yunnan Yuanxin Carbon has submitted a patent application for Tar Calcination Treatment Device. This invention was developed by Li Zitian, Zhang Yue, Tian Sulan, Wu Xiaojin, Li Chunwen, Li Hui, Lin Zhijin, Long Xin, Duan Bin, Li Xiaoyao, Wu Jianmao, Yang Long, Li Chunmin, Bai Liang, Jin Deming and Hu Huabing.
..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Shenzhen Autoware Science & Technology has submitted a patent application for Method for Maintaining Low-temperature Cold Field of Heat Exchanger of Oil Gas Recovery Device. Du Yuanxin, Cheng Ping, Guan Jiancheng and Wan Jiucong developed the invention.
The patent application number is CN202511427220 2025093..
Oil & Gas
| Wed 06 May 2026
Alexandria, May 6 -- Entegris has submitted a patent application for Organotin Precursor Compounds. This invention was developed by Ermert David M, Kuiper David and Cameron Thomas M.
The patent application number is US202519009904 20250103. The patent publication number is US20260117370 (A1). International Patent Classification..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- PetroChina has filed a patent application for True Triaxial Acid Fracturing Physical Model and Flow Conductivity Integrated Synchronous Testing Device and Method. This invention was developed by Jia Yucheng, Yang Jian, Chen Weihua, Wang Hancheng, Min Jian and Jin Cenhong.
The patent application number is CN202..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- PetroChina has submitted a patent application for Drilling Water-based Mud Treatment Agent as Well as Preparation Method and Use Method Thereof. This invention was developed by Liu Mingxiu, Kang Weiwei, Hu Linhui, Yan Haibo, Wu Di, Wang Lulu, Hu Yang, Gao Bin, Shi Hongwei, Zhang Jifei, Xu Dandan and Li Yang.
T..
Oil & Gas
| Wed 06 May 2026
Alexandria, May 6 -- Schlumberger Technology has submitted a patent application for Discrete Multitone Based Wireline Telemetry System for Single-mode Telemetry Applications. Weerasinghe Nalin, Recio Adolfo Leon, Nomura Hiroshi and Tennent Robert W developed the invention.
The patent application number is US202418931611 2024103..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- State Intellectual Property Office of China has received PetroChina patent application for Fluid Sampling and Gas Quantity Detecting Device After Full-pressure Coring. Li Zhijun, Gao Caixia, Su Xuefeng, Wu Jianping, Li Bin, Jin Tao and Song Yumian developed the invention.
The patent application number is CN202..
Oil & Gas
| Wed 06 May 2026
Alexandria, May 6 -- U.S. Patent and Trademark Office has published Halliburton Energy Services patent application for Safety Controls for Electrical Submersible Pump Systems. The invention was developed by Mansir Hassan and Badawi John.
The patent application number is US202418932156 20241030. The patent publication number is ..
Oil & Gas
| Wed 06 May 2026
Alexandria, May 6 -- Schlumberger Technology has applied United States patent for Intervening Reinforcement Lining for a Mud Motor. Li Qingxiu, Kolyshkin Anton, Johnson Eric and Guo Li developed it.
The patent application number is US202319143403 20231220. The patent publication number is US20260117768 (A1). International Paten..
Oil & Gas
| Wed 06 May 2026
Alexandria, May 6 -- U.S. Patent and Trademark Office has published Baker Hughes Oilfield Operations patent application for Injectivity Improvement with Thioalcohols. The invention was developed by Haugvaldstad Ole, Liu Zhengwei and Lehrer Scott.
The patent application number is US202519429979 20251222. The patent publication n..
Oil & Gas
| Wed 06 May 2026
Alexandria, May 6 -- Schlumberger Technology has sought patent for Systems and Methods for Thermal Energy Harvesting. This invention was developed by Ngo Tung, Zhan Linyuan and Xie Cheng-gang.
The patent application number is US202418926381 20241025. The patent publication number is US20260121557 (A1). International Patent Clas..
Oil & Gas
| Wed 06 May 2026
Alexandria, May 6 -- U.S. Patent and Trademark Office has released Baker Hughes Oilfield Operations patent application for Method of Improving Performance of Relative Permeability Modifiers. This invention was developed by Bestaoui-spurr Naima and Singh Akshaya.
The patent application number is US202418931702 20241030. The pate..
Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- China University of Petroleum, East China has submitted a patent application for Distributed Optical Fiber Sensing System Based on Anti-conjugate Convolution Algorithm. Yu Liandong, Zhao Jianjie, Lu Yang, Wang Feifei, Chen Xiaozhe, Jia Huakun and Liu Tao developed the invention.
The patent application number i..
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